Home / 288,021.04-397,541.92-171,859.44

Finding the Fourth Proportional to 288,021.04, 397,541.92 and 171,859.44

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Solution

The fourth proportional to 288,021.04, 397,541.92 and 171,859.44 is: 237,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,021.04 : 397,541.92 = 171,859.44 : x
  2. Step 2: Convert to fraction form
    288,021.04/397,541.92 = 171,859.44/x
  3. Step 3: Cross multiply
    288,021.04x = 397,541.92 × 171,859.44
  4. Step 4: Simplify right side
    288,021.04x = 68,321,331,747.72
  5. Step 5: Solve for x
    x = 68,321,331,747.72/288,021.04
  6. Step 6: Final answer
    x = 237,209.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.